diff --git a/src/vs/editor/contrib/folding/browser/folding.ts b/src/vs/editor/contrib/folding/browser/folding.ts
index 94c02d89085..49bf168c902 100644
--- a/src/vs/editor/contrib/folding/browser/folding.ts
+++ b/src/vs/editor/contrib/folding/browser/folding.ts
@@ -546,7 +546,10 @@ class UnfoldAction extends FoldingAction<FoldingArguments> {
 			precondition: null,
 			kbOpts: {
 				kbExpr: EditorContextKeys.TextFocus,
-				primary: KeyMod.CtrlCmd | KeyMod.Shift | KeyCode.US_CLOSE_SQUARE_BRACKET
+				primary: KeyMod.CtrlCmd | KeyMod.Shift | KeyCode.US_CLOSE_SQUARE_BRACKET,
+				mac: {
+					primary: KeyMod.CtrlCmd | KeyMod.Alt | KeyCode.US_CLOSE_SQUARE_BRACKET
+				}
 			},
 			description: {
 				description: 'Unfold the content in the editor',
@@ -600,7 +603,10 @@ class FoldAction extends FoldingAction<FoldingArguments> {
 			precondition: null,
 			kbOpts: {
 				kbExpr: EditorContextKeys.TextFocus,
-				primary: KeyMod.CtrlCmd | KeyMod.Shift | KeyCode.US_OPEN_SQUARE_BRACKET
+				primary: KeyMod.CtrlCmd | KeyMod.Shift | KeyCode.US_OPEN_SQUARE_BRACKET,
+				mac: {
+					primary: KeyMod.CtrlCmd | KeyMod.Alt | KeyCode.US_OPEN_SQUARE_BRACKET
+				}
 			},
 			description: {
 				description: 'Fold the content in the editor',
diff --git a/src/vs/workbench/browser/parts/editor/editor.contribution.ts b/src/vs/workbench/browser/parts/editor/editor.contribution.ts
index 112e11ffdb2..842d7a4f1d4 100644
--- a/src/vs/workbench/browser/parts/editor/editor.contribution.ts
+++ b/src/vs/workbench/browser/parts/editor/editor.contribution.ts
@@ -320,8 +320,8 @@ registry.registerWorkbenchAction(new SyncActionDescriptor(ShowAllEditorsAction,
 registry.registerWorkbenchAction(new SyncActionDescriptor(ShowEditorsInGroupOneAction, ShowEditorsInGroupOneAction.ID, ShowEditorsInGroupOneAction.LABEL), 'View: Show Editors in First Group', category);
 registry.registerWorkbenchAction(new SyncActionDescriptor(ShowEditorsInGroupTwoAction, ShowEditorsInGroupTwoAction.ID, ShowEditorsInGroupTwoAction.LABEL), 'View: Show Editors in Second Group', category);
 registry.registerWorkbenchAction(new SyncActionDescriptor(ShowEditorsInGroupThreeAction, ShowEditorsInGroupThreeAction.ID, ShowEditorsInGroupThreeAction.LABEL), 'View: Show Editors in Third Group', category);
-registry.registerWorkbenchAction(new SyncActionDescriptor(OpenNextEditor, OpenNextEditor.ID, OpenNextEditor.LABEL, { primary: KeyMod.CtrlCmd | KeyCode.PageDown, mac: { primary: KeyMod.CtrlCmd | KeyMod.Alt | KeyCode.RightArrow } }), 'View: Open Next Editor', category);
-registry.registerWorkbenchAction(new SyncActionDescriptor(OpenPreviousEditor, OpenPreviousEditor.ID, OpenPreviousEditor.LABEL, { primary: KeyMod.CtrlCmd | KeyCode.PageUp, mac: { primary: KeyMod.CtrlCmd | KeyMod.Alt | KeyCode.LeftArrow } }), 'View: Open Previous Editor', category);
+registry.registerWorkbenchAction(new SyncActionDescriptor(OpenNextEditor, OpenNextEditor.ID, OpenNextEditor.LABEL, { primary: KeyMod.CtrlCmd | KeyCode.PageDown, mac: { primary: KeyMod.CtrlCmd | KeyMod.Alt | KeyCode.RightArrow, secondary: [KeyMod.CtrlCmd | KeyMod.Shift | KeyCode.US_CLOSE_SQUARE_BRACKET] } }), 'View: Open Next Editor', category);
+registry.registerWorkbenchAction(new SyncActionDescriptor(OpenPreviousEditor, OpenPreviousEditor.ID, OpenPreviousEditor.LABEL, { primary: KeyMod.CtrlCmd | KeyCode.PageUp, mac: { primary: KeyMod.CtrlCmd | KeyMod.Alt | KeyCode.LeftArrow, secondary: [KeyMod.CtrlCmd | KeyMod.Shift | KeyCode.US_OPEN_SQUARE_BRACKET] } }), 'View: Open Previous Editor', category);
 registry.registerWorkbenchAction(new SyncActionDescriptor(ReopenClosedEditorAction, ReopenClosedEditorAction.ID, ReopenClosedEditorAction.LABEL, { primary: KeyMod.CtrlCmd | KeyMod.Shift | KeyCode.KEY_T }), 'View: Reopen Closed Editor', category);
 registry.registerWorkbenchAction(new SyncActionDescriptor(KeepEditorAction, KeepEditorAction.ID, KeepEditorAction.LABEL, { primary: KeyChord(KeyMod.CtrlCmd | KeyCode.KEY_K, KeyCode.Enter) }), 'View: Keep Editor', category);
 registry.registerWorkbenchAction(new SyncActionDescriptor(CloseAllEditorsAction, CloseAllEditorsAction.ID, CloseAllEditorsAction.LABEL, { primary: KeyChord(KeyMod.CtrlCmd | KeyCode.KEY_K, KeyMod.CtrlCmd | KeyCode.KEY_W) }), 'View: Close All Editors', category);